Sayyiduna Ibn Umar (may Allah be pleased with them both) said that the Noble Prophet (peace and blessings of Allah be upon him) would recite a verse of prostration in our presence and perform prostration, so we would also prostrate with him (due to the crowd) in such a way that there would not even be enough space to place our foreheads where we performed prostration.
Hadith Referenceاللؤلؤ والمرجان / كتاب المساجد ومواضع الصلاة / 338
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 17 كتاب سجود القرآن: 8 باب من سجد لسجود القارىء»